<template>
    <div class="wrapper">
        <v-head :username='username'></v-head>
        <v-sidebar></v-sidebar>
        <div class="content-box" :class="{'content-collapse':collapse}">
            <v-tags v-if="false"></v-tags>
            <div class="content">
                <transition name="fade-transform" mode="out-in">
                    <keep-alive :include="tagsList">
                        <router-view :key="key"></router-view>
                    </keep-alive>
                </transition>
                <el-backtop target=".content"></el-backtop>
            </div>
        </div>
    </div>
</template>

<script>
import vHead from './Header.vue';
import vSidebar from './Sidebar.vue';
import vTags from './Tags.vue';
import bus from './bus';
import request from '../../api/index';
export default {
    data() {
        return {
            userInfo: {},
            username: localStorage.getItem('ms_username'),
            tagsList: [],
            collapse: false
        };
    },
    components: {
        vHead,
        vSidebar,
        vTags
    },
    computed: {
        key() {
            return this.$route.fullPath
        }
    },
    watch: {
        userInfo (val) {
            if(val){
                this.username = val.nickName;
            }
        }
    },
    created() {
        bus.$on('collapse-content', msg => {
            this.collapse = msg;
        });

        // 只有在标签页列表里的页面才使用keep-alive，即关闭标签之后就不保存到内存中了。
        bus.$on('tags', msg => {
            let arr = [];
            for (let i = 0, len = msg.length; i < len; i++) {
                msg[i].name && arr.push(msg[i].name);
            }
            this.tagsList = arr;
        });
        // request.userInfo().then(res => {
        //     if(res.code == 0){
        //         this.userInfo = res.data.sysUserDetailVo
        //         localStorage.setItem('userInfo', JSON.stringify(res.data.sysUserDetailVo));
        //         localStorage.setItem('permissionsList', res.data.permissions);
        //         // permissionsList
        //     }
        // });
    }
};
</script>


<style scoped>
.content-box{
    overflow: hidden;
}
/* fade-transform */
.fade-transform-leave-active,
.fade-transform-enter-active {
  transition: all .3s;
}

.fade-transform-enter {
  opacity: 0;
  transform: translateX(-30px);
}

.fade-transform-leave-to {
  opacity: 0;
  transform: translateX(30px);
}


</style>

